Mayor Bill de Blasio said Tuesday that he voted for a Riverside Boulevard development that will include a separate door for low-income tenants only with the idea of increasing affordable housing in mind.

On the two sides of Columbus Avenue at 78th Street are the two sides of the argument. To the west is a deli, a little boutique furniture store, and a few other small shops. To the east, the entire block is a Duane Reade, and a Chase bank.